{"product_id":"grover-roto-grip-locking-rotomatics-gold-set-3-3-keystone-buttons","title":"Grover Roto-Grip Locking Rotomatics Gold Set 3+3 - Keystone Buttons","description":"\u003cp\u003eRoto-Grip Locking Rotomatics utilize the famous 18:1 Rotomatic design with a thumb screw mechanism which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. Perfect replacement for the most standard machine heads. Includes all mounting hardware.\u003c\/p\u003e\n\u003cp\u003e• Sealed-in, lubricated gears\u003cbr\u003e• 18:1 gear ratio\u003cbr\u003e• 25\/64 post hole\u003cbr\u003e• Post length to hole: 23mm\u003cbr\u003e• Overall post length: 28.2mm\u003cbr\u003e• Weight per pc\/per set: 1.6oz\/9.6oz\u003cbr\u003e• Max. string gauge: .074\u003cbr\u003e• Hardware included (bushings, washers, screws)\u003cbr\u003e• Drop-in replacement for: 102-18 Series, 102V Series, 103 Series, 106 Series, 109 Series, 109-18 Series, 135 Series (Top mounting hole will be visible), 136 Series (Top mounting hole will be visible), 502 Series, 509 Series\u003c\/p\u003e","brand":"Grover","offers":[{"title":"Default Title","offer_id":53476389388631,"sku":"G502GK","price":139.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/1982\/1655\/files\/g502gk.png?v=1777996860","url":"https:\/\/shop.reidys.com\/products\/grover-roto-grip-locking-rotomatics-gold-set-3-3-keystone-buttons","provider":"Reidys Home Of Music","version":"1.0","type":"link"}